Thunlee

サンリー合同会社
— Building quietly, backing what lasts —
From the Editor

On patient capital.

A small company in four disciplines, working far from the news cycle.

Thunlee LLC was founded in July 2017 in Yokohama, Kanagawa. As a small company spanning multiple disciplines, we operate the businesses we own, deploy our own capital, and concentrate on what holds value over the long term. We prefer real demand over momentum: a coastal villa, a regional solar farm, a website for a small operator, AI counsel for a fellow owner. None of it is glamorous. All of it is rooted in everyday life.

We work quietly. Decisions are quick, relationships are long, and promises are modest. Thunlee has held this posture, just a step away from the news cycle, since 2017. We intend to continue that way — laying down the days of each business we are part of, one careful page at a time.

The Four Departments
Four disciplines

What we attend to.

No. I

Resort Hospitality Support

Hospitality

Operational support for a small villa on the coast of Kujukuri, Chiba — letting the sea, sky, and shore speak for themselves.

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No. II

Renewable Energy

Infrastructure

We own and operate solar assets across Japan — and offer maintenance support and second opinions on plant purchases and operations, drawn from our own experience as an owner.

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No. III

Web Development

Studio

Corporate and service websites for small operators, built to order. Quick to load, easy to update, and made to last.

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No. IV

AI Advisory

AI Adoption

Helping owners and small businesses put AI to work — tool selection, workflow redesign, and day-to-day adoption, grounded in our own use.

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§ On Record §
Public Record

From the Aoba-ku registry.

Name
Thunlee LLC
Founded
July 2017
Representative
Hiro Kondo
Head Office
2-16-22 Katsuradai, Aoba-ku,
Yokohama, Kanagawa 227-0034
Capital
JPY 500,000
Corp. No.
5020003012969
Activities
Hospitality support, renewable energy, web development, AI advisory
Contact
Contact

A short note is enough.

Business enquiries, partnership proposals, and other matters — please write. We typically reply within three business days.

Email
[email protected]
Telephone
050-1781-6958
Office
Yokohama, Kanagawa, Japan
Hours
Weekdays 10:00 — 18:00 (JST)